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Post Info TOPIC: Asteroid (21) Lutetia


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Asteroid (21) Lutetia in the constellation Virgo makes its closest approach to the Earth (1.644 AU) on the 17th April 2018



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Asteroid (21) Lutetia in the constellation Virgo is at Opposition at 23:35 UT, 10th April 2018

Magnitude: 10.8 V
Distance to Earth: 1.649 AU



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The Moon occults Asteroid (21) Lutetia in the constellation Virgo at ~11:00 UT, 1st April 2018.

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The Moon occults asteroid (21) Lutetia at ~09:00 UT, 5th March 2018.

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The Moon occults asteroid (21) Lutetia at ~09:00 UT, 17th October 2017

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Asteroid (21) Lutetia at magnitude 11.2 in the constellation Gemini

Picture 835



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Asteroid (21) Lutetia is at Opposition in the constellation Gemini on the 11th January 2017.

Magnitude: 10.9
Distance to Earth: 1.732 AU
Distance to Sun: 2.714 AU

Lutetia110117 



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Asteroid (21) Lutetia is at Opposition in the constellation Capricornus on the 15th August. 

Magnitude: 9.3 V
Distance to Earth: 1.027 AU
Distance to Sun: 2.037 AU 



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Ephemeris

Date       UT      R.A. (J2000) Decl.    Delta     r     El.    Ph.   Mag
2015 07 31 000000 21 57 49.7 -17 38 38   1.056   2.043  161.2   9.2   9.7
2015 08 01 000000 21 57 10.3 -17 44 23   1.052   2.043  162.3   8.7   9.6
2015 08 02 000000 21 56 29.7 -17 50 11   1.049   2.042  163.4   8.2   9.6
2015 08 03 000000 21 55 47.8 -17 56 01   1.046   2.042  164.4   7.7   9.6
2015 08 04 000000 21 55 04.6 -18 01 53   1.043   2.041  165.5   7.1   9.5
2015 08 05 000000 21 54 20.3 -18 07 47   1.041   2.041  166.6   6.6   9.5
2015 08 06 000000 21 53 34.8 -18 13 41   1.038   2.041  167.6   6.1   9.5
2015 08 07 000000 21 52 48.4 -18 19 36   1.036   2.040  168.7   5.6   9.4
2015 08 08 000000 21 52 01.0 -18 25 30   1.034   2.040  169.7   5.1   9.4
2015 08 09 000000 21 51 12.7 -18 31 23   1.032   2.039  170.7   4.6   9.4
2015 08 10 000000 21 50 23.6 -18 37 14   1.031   2.039  171.6   4.2   9.4
2015 08 11 000000 21 49 33.9 -18 43 04   1.030   2.039  172.5   3.7   9.3
2015 08 12 000000 21 48 43.5 -18 48 50   1.028   2.038  173.2   3.4   9.3
2015 08 13 000000 21 47 52.6 -18 54 33   1.028   2.038  173.9   3.0   9.3
2015 08 14 000000 21 47 01.3 -19 00 13   1.027   2.038  174.4   2.8   9.3
2015 08 15 000000 21 46 09.6 -19 05 48   1.027   2.038  174.6   2.7   9.3
2015 08 16 000000 21 45 17.7 -19 11 17   1.027   2.037  174.6   2.7   9.3
2015 08 17 000000 21 44 25.7 -19 16 42   1.027   2.037  174.4   2.8   9.3
2015 08 18 000000 21 43 33.7 -19 22 00   1.027   2.037  173.9   3.0   9.3
2015 08 19 000000 21 42 41.7 -19 27 11   1.028   2.036  173.3   3.3   9.3
2015 08 20 000000 21 41 49.9 -19 32 15   1.029   2.036  172.5   3.7   9.3
2015 08 21 000000 21 40 58.3 -19 37 12   1.030   2.036  171.6   4.2   9.4
2015 08 22 000000 21 40 07.1 -19 42 01   1.031   2.036  170.7   4.6   9.4
2015 08 23 000000 21 39 16.3 -19 46 41   1.032   2.036  169.7   5.1   9.4 
2015 08 24 000000 21 38 26.1 -19 51 12   1.034   2.035  168.7   5.6   9.4
2015 08 25 000000 21 37 36.5 -19 55 34   1.036   2.035  167.6   6.1   9.5
2015 08 26 000000 21 36 47.6 -19 59 47   1.038   2.035  166.6   6.6   9.5
2015 08 27 000000 21 35 59.5 -20 03 50   1.041   2.035  165.5   7.1   9.5
2015 08 28 000000 21 35 12.3 -20 07 42   1.043   2.035  164.4   7.7   9.6
2015 08 29 000000 21 34 26.1 -20 11 24   1.046   2.035  163.3   8.2   9.6
2015 08 30 000000 21 33 40.9 -20 14 56   1.049   2.035  162.2   8.7   9.6
2015 08 31 000000 21 32 56.8 -20 18 17   1.053   2.034  161.1   9.2   9.7


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Lutetias dark side hosts hidden crater

Grooves found on Lutetia, an asteroid encountered by ESAs Rosetta spacecraft, point to the existence of a large impact crater on the unseen side of the rocky world.
Rosetta flew past Lutetia at a distance of 3168 km in July 2010, en route to its 2014 rendezvous with its target comet.
The spacecraft took images of the 100 km-wide asteroid for about two hours during the flyby, revealing numerous impact craters and hundreds of grooves all over the surface.

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